Home / 57,593.13-86,428.61-20,153.53

Finding the Fourth Proportional to 57,593.13, 86,428.61 and 20,153.53

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Solution

The fourth proportional to 57,593.13, 86,428.61 and 20,153.53 is: 30,243.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,593.13 : 86,428.61 = 20,153.53 : x
  2. Step 2: Convert to fraction form
    57,593.13/86,428.61 = 20,153.53/x
  3. Step 3: Cross multiply
    57,593.13x = 86,428.61 × 20,153.53
  4. Step 4: Simplify right side
    57,593.13x = 1,741,841,462.68
  5. Step 5: Solve for x
    x = 1,741,841,462.68/57,593.13
  6. Step 6: Final answer
    x = 30,243.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.